version 1.117, 2005/10/14 17:40:18
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version 1.131, 2006/11/10 18:14:58
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//%2005//////////////////////////////////////////////////////////////////////// |
//%2006//////////////////////////////////////////////////////////////////////// |
// | // |
// Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development | // Copyright (c) 2000, 2001, 2002 BMC Software; Hewlett-Packard Development |
// Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. | // Company, L.P.; IBM Corp.; The Open Group; Tivoli Systems. |
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// IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. | // IBM Corp.; EMC Corporation; VERITAS Software Corporation; The Open Group. |
// Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; | // Copyright (c) 2005 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
// EMC Corporation; VERITAS Software Corporation; The Open Group. | // EMC Corporation; VERITAS Software Corporation; The Open Group. |
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// Copyright (c) 2006 Hewlett-Packard Development Company, L.P.; IBM Corp.; |
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// EMC Corporation; Symantec Corporation; The Open Group. |
// | // |
// Permission is hereby granted, free of charge, to any person obtaining a copy | // Permission is hereby granted, free of charge, to any person obtaining a copy |
// of this software and associated documentation files (the "Software"), to | // of this software and associated documentation files (the "Software"), to |
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// | // |
//============================================================================== | //============================================================================== |
// | // |
// Author: Mike Day (mdday@us.ibm.com) |
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// |
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// Modified By: |
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// Amit K Arora, IBM (amita@in.ibm.com) for Bug#1090,#2657 |
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// Josephine Eskaline Joyce, IBM (jojustin@in.ibm.com) for Bug#3259 |
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// Jim Wunderlich (Jim_Wunderlich@prodigy.net) |
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// |
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//%///////////////////////////////////////////////////////////////////////////// | //%///////////////////////////////////////////////////////////////////////////// |
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// #include <iostream.h> |
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#include "MessageQueueService.h" | #include "MessageQueueService.h" |
#include <Pegasus/Common/Tracer.h> | #include <Pegasus/Common/Tracer.h> |
#include <Pegasus/Common/MessageLoader.h> //l10n |
#include <Pegasus/Common/MessageLoader.h> |
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PEGASUS_NAMESPACE_BEGIN | PEGASUS_NAMESPACE_BEGIN |
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cimom *MessageQueueService::_meta_dispatcher = 0; | cimom *MessageQueueService::_meta_dispatcher = 0; |
AtomicInt MessageQueueService::_service_count = 0; |
AtomicInt MessageQueueService::_service_count(0); |
AtomicInt MessageQueueService::_xid(1); |
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Mutex MessageQueueService::_meta_dispatcher_mutex; | Mutex MessageQueueService::_meta_dispatcher_mutex; |
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static struct timeval deallocateWait = {300, 0}; | static struct timeval deallocateWait = {300, 0}; |
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ThreadPool *MessageQueueService::_thread_pool = 0; | ThreadPool *MessageQueueService::_thread_pool = 0; |
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DQueue<MessageQueueService> MessageQueueService::_polling_list(true); |
MessageQueueService::PollingList* MessageQueueService::_polling_list; |
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Mutex MessageQueueService::_polling_list_mutex; |
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Thread* MessageQueueService::_polling_thread = 0; | Thread* MessageQueueService::_polling_thread = 0; |
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Uint32 max_threads_per_svc_queue; | Uint32 max_threads_per_svc_queue; |
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PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL |
ThreadReturnType PEGASUS_THREAD_CDECL MessageQueueService::polling_routine( |
MessageQueueService::kill_idle_threads(void *parm) |
void* parm) |
{ |
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static struct timeval now, last = {0,0}; |
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gettimeofday(&now, NULL); |
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int dead_threads = 0; |
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if (now.tv_sec - last.tv_sec > 120) |
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{ |
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gettimeofday(&last, NULL); |
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try |
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{ |
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dead_threads = MessageQueueService::_thread_pool->cleanupIdleThreads(); |
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} |
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catch(...) |
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{ |
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} |
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} |
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#ifdef PEGASUS_POINTER_64BIT |
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return (PEGASUS_THREAD_RETURN)(Uint64)dead_threads; |
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#elif PEGASUS_PLATFORM_AIX_RS_IBMCXX |
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return (PEGASUS_THREAD_RETURN)(unsigned long)dead_threads; |
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#else |
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return (PEGASUS_THREAD_RETURN)(Uint32)dead_threads; |
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#endif |
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} |
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PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::polling_routine(void *parm) |
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{ | { |
Thread *myself = reinterpret_cast<Thread *>(parm); | Thread *myself = reinterpret_cast<Thread *>(parm); |
DQueue<MessageQueueService> *list = reinterpret_cast<DQueue<MessageQueueService> *>(myself->get_parm()); |
List<MessageQueueService, Mutex> *list = |
while (_stop_polling.value() == 0) |
reinterpret_cast<List<MessageQueueService, Mutex>*>(myself->get_parm()); |
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while (_stop_polling.get() == 0) |
{ | { |
_polling_sem.wait(); | _polling_sem.wait(); |
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if (_stop_polling.value() != 0) |
if (_stop_polling.get() != 0) |
{ | { |
break; | break; |
} | } |
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// The polling_routine thread must hold the lock on the | // The polling_routine thread must hold the lock on the |
// _polling_thread list while processing incoming messages. |
// _polling_list while processing incoming messages. |
// This lock is used to give this thread ownership of | // This lock is used to give this thread ownership of |
// services on the _polling_routine list. | // services on the _polling_routine list. |
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// (e.g., MessageQueueServer::~MessageQueueService). | // (e.g., MessageQueueServer::~MessageQueueService). |
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list->lock(); | list->lock(); |
MessageQueueService *service = list->next(0); |
MessageQueueService *service = list->front(); |
ThreadStatus rtn = PEGASUS_THREAD_OK; | ThreadStatus rtn = PEGASUS_THREAD_OK; |
while (service != NULL) | while (service != NULL) |
{ | { |
if ((service->_incoming.count() > 0) && | if ((service->_incoming.count() > 0) && |
(service->_die.value() == 0) && |
(service->_die.get() == 0) && |
(service->_threads < max_threads_per_svc_queue)) |
(service->_threads.get() < max_threads_per_svc_queue)) |
{ | { |
// The _threads count is used to track the | // The _threads count is used to track the |
// number of active threads that have been allocated | // number of active threads that have been allocated |
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if (rtn != PEGASUS_THREAD_OK ) | if (rtn != PEGASUS_THREAD_OK ) |
{ | { |
service->_threads--; | service->_threads--; |
Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, |
Logger::put( |
"Not enough threads to process this request. Skipping."); |
Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, |
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"Not enough threads to process this request. " |
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"Skipping."); |
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Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL2, | Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL2, |
"Could not allocate thread for %s. " \ |
"Could not allocate thread for %s. Queue has %d " |
"Queue has %d messages waiting and %d threads servicing." \ |
"messages waiting and %d threads servicing." |
"Skipping the service for right now. ", | "Skipping the service for right now. ", |
service->getQueueName(), | service->getQueueName(), |
service->_incoming.count(), | service->_incoming.count(), |
service->_threads.value()); |
service->_threads.get()); |
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pegasus_yield(); |
Threads::yield(); |
service = NULL; | service = NULL; |
} | } |
} | } |
if (service != NULL) | if (service != NULL) |
{ | { |
service = list->next(service); |
service = list->next_of(service); |
} | } |
} | } |
list->unlock(); | list->unlock(); |
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if (_check_idle_flag.value() != 0) |
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{ |
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_check_idle_flag = 0; |
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// try to do idle thread clean up processing when system is not busy |
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// if system is busy there may not be a thread available to allocate |
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// so nothing will be done and that is OK. |
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if ( _thread_pool->allocate_and_awaken(service, kill_idle_threads, &_polling_sem) != PEGASUS_THREAD_OK) |
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{ |
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Logger::put(Logger::STANDARD_LOG, System::CIMSERVER, Logger::TRACE, |
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"Not enough threads to kill idle threads. What an irony."); |
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Tracer::trace(TRC_MESSAGEQUEUESERVICE, Tracer::LEVEL2, |
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"Could not allocate thread to kill idle threads." \ |
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"Skipping. "); |
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} |
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} | } |
} |
myself->exit_self( (ThreadReturnType) 1 ); |
myself->exit_self( (PEGASUS_THREAD_RETURN) 1 ); |
return 0; |
return(0); |
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} | } |
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Semaphore MessageQueueService::_polling_sem(0); | Semaphore MessageQueueService::_polling_sem(0); |
AtomicInt MessageQueueService::_stop_polling(0); | AtomicInt MessageQueueService::_stop_polling(0); |
AtomicInt MessageQueueService::_check_idle_flag(0); |
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MessageQueueService::MessageQueueService( | MessageQueueService::MessageQueueService( |
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_mask(mask), | _mask(mask), |
_die(0), | _die(0), |
_threads(0), | _threads(0), |
_incoming(true, 0), |
_incoming(), |
_incoming_queue_shutdown(0) | _incoming_queue_shutdown(0) |
{ | { |
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_capabilities = (capabilities | module_capabilities::async); | _capabilities = (capabilities | module_capabilities::async); |
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_default_op_timeout.tv_sec = 30; | _default_op_timeout.tv_sec = 30; |
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if (_meta_dispatcher == 0) | if (_meta_dispatcher == 0) |
{ | { |
_stop_polling = 0; | _stop_polling = 0; |
PEGASUS_ASSERT(_service_count.value() == 0); |
PEGASUS_ASSERT(_service_count.get() == 0); |
_meta_dispatcher = new cimom(); | _meta_dispatcher = new cimom(); |
if (_meta_dispatcher == NULL) |
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{ |
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throw NullPointer(); |
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} |
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// _thread_pool = new ThreadPool(initial_cnt, "MessageQueueService", | // _thread_pool = new ThreadPool(initial_cnt, "MessageQueueService", |
// minimum_cnt, maximum_cnt, deallocateWait); | // minimum_cnt, maximum_cnt, deallocateWait); |
// | // |
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if (false == register_service(name, _capabilities, _mask)) | if (false == register_service(name, _capabilities, _mask)) |
{ | { |
//l10n |
MessageLoaderParms parms( |
//throw BindFailedException("MessageQueueService Base Unable to register with Meta Dispatcher"); |
"Common.MessageQueueService.UNABLE_TO_REGISTER", |
MessageLoaderParms parms("Common.MessageQueueService.UNABLE_TO_REGISTER", |
"CIM base message queue service is unable to register with the " |
"MessageQueueService Base Unable to register with Meta Dispatcher"); |
"CIMOM dispatcher."); |
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throw BindFailedException(parms); | throw BindFailedException(parms); |
} | } |
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_polling_list.insert_last(this); |
_get_polling_list()->insert_back(this); |
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} | } |
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// prior to processing, avoids synchronization issues | // prior to processing, avoids synchronization issues |
// with the _polling_routine. | // with the _polling_routine. |
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_polling_list.remove(this); |
// ATTN: added to prevent assertion in List in which the list does not |
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// contain this element. |
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if (_get_polling_list()->contains(this)) |
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_get_polling_list()->remove(this); |
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// ATTN: The code for closing the _incoming queue | // ATTN: The code for closing the _incoming queue |
// is not working correctly. In OpenPegasus 2.5, | // is not working correctly. In OpenPegasus 2.5, |
// execution of the following code is very timing | // execution of the following code is very timing |
// dependent. This needs to be fix. | // dependent. This needs to be fix. |
// See Bug 4079 for details. | // See Bug 4079 for details. |
if (_incoming_queue_shutdown.value() == 0) |
if (_incoming_queue_shutdown.get() == 0) |
{ | { |
_shutdown_incoming_queue(); | _shutdown_incoming_queue(); |
} | } |
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// Wait until all threads processing the messages | // Wait until all threads processing the messages |
// for this service have completed. | // for this service have completed. |
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while (_threads.value() > 0) |
while (_threads.get() > 0) |
{ | { |
pegasus_yield(); |
Threads::yield(); |
} | } |
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{ | { |
AutoMutex autoMut(_meta_dispatcher_mutex); | AutoMutex autoMut(_meta_dispatcher_mutex); |
_service_count--; | _service_count--; |
if (_service_count.value() == 0) |
if (_service_count.get() == 0) |
{ | { |
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_stop_polling++; | _stop_polling++; |
_polling_sem.signal(); | _polling_sem.signal(); |
if (_polling_thread) { |
if (_polling_thread) |
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{ |
_polling_thread->join(); | _polling_thread->join(); |
delete _polling_thread; | delete _polling_thread; |
_polling_thread = 0; | _polling_thread = 0; |
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// Clean up in case there are extra stuff on the queue. | // Clean up in case there are extra stuff on the queue. |
while (_incoming.count()) | while (_incoming.count()) |
{ | { |
try { |
try |
delete _incoming.remove_first(); |
{ |
} catch (const ListClosed &e) |
delete _incoming.dequeue(); |
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} |
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catch (const ListClosed&) |
{ | { |
// If the list is closed, there is nothing we can do. | // If the list is closed, there is nothing we can do. |
break; | break; |
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void MessageQueueService::_shutdown_incoming_queue() | void MessageQueueService::_shutdown_incoming_queue() |
{ | { |
if (_incoming_queue_shutdown.value() > 0) |
if (_incoming_queue_shutdown.get() > 0) |
return; | return; |
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AsyncIoctl *msg = new AsyncIoctl( | AsyncIoctl *msg = new AsyncIoctl( |
get_next_xid(), |
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0, | 0, |
_queueId, | _queueId, |
_queueId, | _queueId, |
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msg->op->_state &= ~ASYNC_OPSTATE_COMPLETE; | msg->op->_state &= ~ASYNC_OPSTATE_COMPLETE; |
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msg->op->_op_dest = this; | msg->op->_op_dest = this; |
msg->op->_request.insert_first(msg); |
msg->op->_request.reset(msg); |
try { |
try |
_incoming.insert_last_wait(msg->op); |
{ |
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_incoming.enqueue_wait(msg->op); |
_polling_sem.signal(); | _polling_sem.signal(); |
} catch (const ListClosed &) |
} |
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catch (const ListClosed&) |
{ | { |
// This means the queue has already been shut-down (happens when there | // This means the queue has already been shut-down (happens when there |
// are two AsyncIoctrl::IO_CLOSE messages generated and one got first | // are two AsyncIoctrl::IO_CLOSE messages generated and one got first |
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} | } |
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PEGASUS_THREAD_RETURN PEGASUS_THREAD_CDECL MessageQueueService::_req_proc( |
ThreadReturnType PEGASUS_THREAD_CDECL MessageQueueService::_req_proc( |
void * parm) | void * parm) |
{ | { |
MessageQueueService* service = | MessageQueueService* service = |
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PEGASUS_ASSERT(service != 0); | PEGASUS_ASSERT(service != 0); |
try | try |
{ | { |
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if (service->_die.get() != 0) |
if (service->_die.value() != 0) |
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{ | { |
service->_threads--; | service->_threads--; |
return (0); |
return 0; |
} | } |
// pull messages off the incoming queue and dispatch them. then | // pull messages off the incoming queue and dispatch them. then |
// check pending messages that are non-blocking | // check pending messages that are non-blocking |
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{ | { |
try | try |
{ | { |
operation = service->_incoming.remove_first(); |
operation = service->_incoming.dequeue(); |
} | } |
catch (ListClosed &) | catch (ListClosed &) |
{ | { |
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"Caught unrecognized exception. Exiting _req_proc."); | "Caught unrecognized exception. Exiting _req_proc."); |
} | } |
service->_threads--; | service->_threads--; |
return(0); |
return 0; |
} | } |
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{ | { |
if (op->_flags & ASYNC_OPFLAGS_SAFE_CALLBACK) | if (op->_flags & ASYNC_OPFLAGS_SAFE_CALLBACK) |
{ | { |
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Message *msg = op->removeRequest(); |
Message *msg = op->get_request(); |
if (msg && (msg->getMask() & MessageMask::ha_async)) |
if (msg && (msg->getMask() & message_mask::ha_async)) |
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{ | { |
if (msg->getType() == async_messages::ASYNC_LEGACY_OP_START) | if (msg->getType() == async_messages::ASYNC_LEGACY_OP_START) |
{ | { |
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delete msg; | delete msg; |
} | } |
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msg = op->get_response(); |
msg = op->removeResponse(); |
if (msg && (msg->getMask() & message_mask::ha_async)) |
if (msg && (msg->getMask() & MessageMask::ha_async)) |
{ | { |
if (msg->getType() == async_messages::ASYNC_LEGACY_OP_RESULT) | if (msg->getType() == async_messages::ASYNC_LEGACY_OP_RESULT) |
{ | { |
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// note that _callback_node may be different from op | // note that _callback_node may be different from op |
// op->_callback_response_q is a "this" pointer we can use for | // op->_callback_response_q is a "this" pointer we can use for |
// static callback methods | // static callback methods |
op->_async_callback(op->_callback_node, op->_callback_response_q, op->_callback_ptr); |
op->_async_callback( |
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op->_callback_node, op->_callback_response_q, op->_callback_ptr); |
} | } |
} | } |
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// << Tue Feb 19 14:10:38 2002 mdd >> | // << Tue Feb 19 14:10:38 2002 mdd >> |
operation->lock(); | operation->lock(); |
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Message *rq = operation->_request.next(0); |
Message *rq = operation->_request.get(); |
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// optimization <<< Thu Mar 7 21:04:05 2002 mdd >>> | // optimization <<< Thu Mar 7 21:04:05 2002 mdd >>> |
// move this to the bottom of the loop when the majority of | // move this to the bottom of the loop when the majority of |
// messages become async messages. | // messages become async messages. |
| |
// divert legacy messages to handleEnqueue | // divert legacy messages to handleEnqueue |
if ((rq != 0) && (!(rq->getMask() & message_mask::ha_async))) |
if ((rq != 0) && (!(rq->getMask() & MessageMask::ha_async))) |
{ | { |
rq = operation->_request.remove_first() ; |
operation->_request.release(); |
operation->unlock(); | operation->unlock(); |
// delete the op node | // delete the op node |
operation->release(); | operation->release(); |
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Message* request, | Message* request, |
Message* response) | Message* response) |
{ | { |
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STAT_COPYDISPATCHER |
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PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE, | PEG_METHOD_ENTER(TRC_MESSAGEQUEUESERVICE, |
"MessageQueueService::_enqueueResponse"); | "MessageQueueService::_enqueueResponse"); |
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if (request->getMask() & message_mask::ha_async) |
if (request->getMask() & MessageMask::ha_async) |
{ | { |
if (response->getMask() & message_mask::ha_async) |
if (response->getMask() & MessageMask::ha_async) |
{ | { |
_completeAsyncResponse(static_cast<AsyncRequest *>(request), |
_completeAsyncResponse( |
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static_cast<AsyncRequest *>(request), |
static_cast<AsyncReply *>(response), | static_cast<AsyncReply *>(response), |
ASYNC_OPSTATE_COMPLETE, 0); | ASYNC_OPSTATE_COMPLETE, 0); |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
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if (request->_async != 0) | if (request->_async != 0) |
{ | { |
Uint32 mask = request->_async->getMask(); | Uint32 mask = request->_async->getMask(); |
PEGASUS_ASSERT(mask & (message_mask::ha_async | message_mask::ha_request)); |
PEGASUS_ASSERT(mask & |
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(MessageMask::ha_async | MessageMask::ha_request)); |
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AsyncRequest *async = static_cast<AsyncRequest *>(request->_async); | AsyncRequest *async = static_cast<AsyncRequest *>(request->_async); |
AsyncOpNode *op = async->op; | AsyncOpNode *op = async->op; |
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AsyncLegacyOperationResult *async_result = | AsyncLegacyOperationResult *async_result = |
new AsyncLegacyOperationResult( | new AsyncLegacyOperationResult( |
async->getKey(), |
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async->getRouting(), |
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op, | op, |
response); | response); |
_completeAsyncResponse( | _completeAsyncResponse( |
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// ensure that the destination queue is in response->dest | // ensure that the destination queue is in response->dest |
PEG_METHOD_EXIT(); | PEG_METHOD_EXIT(); |
return SendForget(response); | return SendForget(response); |
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} | } |
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void MessageQueueService::_make_response(Message *req, Uint32 code) | void MessageQueueService::_make_response(Message *req, Uint32 code) |
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Boolean MessageQueueService::accept_async(AsyncOpNode *op) | Boolean MessageQueueService::accept_async(AsyncOpNode *op) |
{ | { |
if (_incoming_queue_shutdown.value() > 0) |
if (_incoming_queue_shutdown.get() > 0) |
return false; | return false; |
if (_polling_thread == NULL) | if (_polling_thread == NULL) |
{ | { |
_polling_thread = new Thread( | _polling_thread = new Thread( |
polling_routine, | polling_routine, |
reinterpret_cast<void *>(&_polling_list), |
reinterpret_cast<void *>(_get_polling_list()), |
false); | false); |
ThreadStatus tr = PEGASUS_THREAD_OK; | ThreadStatus tr = PEGASUS_THREAD_OK; |
while ( (tr =_polling_thread->run()) != PEGASUS_THREAD_OK) | while ( (tr =_polling_thread->run()) != PEGASUS_THREAD_OK) |
{ | { |
if (tr == PEGASUS_THREAD_INSUFFICIENT_RESOURCES) | if (tr == PEGASUS_THREAD_INSUFFICIENT_RESOURCES) |
pegasus_yield(); |
Threads::yield(); |
else | else |
throw Exception(MessageLoaderParms("Common.MessageQueueService.NOT_ENOUGH_THREAD", |
throw Exception(MessageLoaderParms( |
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"Common.MessageQueueService.NOT_ENOUGH_THREAD", |
"Could not allocate thread for the polling thread.")); | "Could not allocate thread for the polling thread.")); |
} | } |
} | } |
// ATTN optimization remove the message checking altogether in the base | // ATTN optimization remove the message checking altogether in the base |
// << Mon Feb 18 14:02:20 2002 mdd >> | // << Mon Feb 18 14:02:20 2002 mdd >> |
op->lock(); | op->lock(); |
Message *rq = op->_request.next(0); |
Message *rq = op->_request.get(); |
Message *rp = op->_response.next(0); |
Message *rp = op->_response.get(); |
op->unlock(); | op->unlock(); |
| |
if ((rq != 0 && (true == messageOK(rq))) || | if ((rq != 0 && (true == messageOK(rq))) || |
(rp != 0 && (true == messageOK(rp))) && _die.value() == 0) |
(rp != 0 && (true == messageOK(rp))) && _die.get() == 0) |
{ | { |
_incoming.insert_last_wait(op); |
_incoming.enqueue_wait(op); |
_polling_sem.signal(); | _polling_sem.signal(); |
return true; | return true; |
} | } |
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Boolean MessageQueueService::messageOK(const Message *msg) | Boolean MessageQueueService::messageOK(const Message *msg) |
{ | { |
if (_incoming_queue_shutdown.value() > 0) |
if (_incoming_queue_shutdown.get() > 0) |
return false; | return false; |
return true; | return true; |
} | } |
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AsyncReply *reply = new AsyncReply( | AsyncReply *reply = new AsyncReply( |
async_messages::HEARTBEAT, | async_messages::HEARTBEAT, |
req->getKey(), |
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req->getRouting(), |
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0, | 0, |
req->op, | req->op, |
async_results::OK, | async_results::OK, |
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{ | { |
case AsyncIoctl::IO_CLOSE: | case AsyncIoctl::IO_CLOSE: |
{ | { |
MessageQueueService *service = static_cast<MessageQueueService *>(req->op->_service_ptr); |
MessageQueueService *service = |
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static_cast<MessageQueueService *>(req->op->_service_ptr); |
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#ifdef MESSAGEQUEUESERVICE_DEBUG | #ifdef MESSAGEQUEUESERVICE_DEBUG |
PEGASUS_STD(cout) << service->getQueueName() << " Received AsyncIoctl::IO_CLOSE " << PEGASUS_STD(endl); |
PEGASUS_STD(cout) << service->getQueueName() << |
|
" Received AsyncIoctl::IO_CLOSE " << PEGASUS_STD(endl); |
#endif | #endif |
| |
// respond to this message. this is fire and forget, so we don't need to delete anything. |
// respond to this message. this is fire and forget, so we |
|
// don't need to delete anything. |
// this takes care of two problems that were being found | // this takes care of two problems that were being found |
// << Thu Oct 9 10:52:48 2003 mdd >> | // << Thu Oct 9 10:52:48 2003 mdd >> |
_make_response(req, async_results::OK); | _make_response(req, async_results::OK); |
// ensure we do not accept any further messages | // ensure we do not accept any further messages |
| |
// ensure we don't recurse on IO_CLOSE | // ensure we don't recurse on IO_CLOSE |
if (_incoming_queue_shutdown.value() > 0) |
if (_incoming_queue_shutdown.get() > 0) |
break; | break; |
| |
// set the closing flag | // set the closing flag |
|
|
AsyncOpNode *operation; | AsyncOpNode *operation; |
try | try |
{ | { |
operation = service->_incoming.remove_first(); |
operation = service->_incoming.dequeue(); |
} | } |
catch(IPCException &) | catch(IPCException &) |
{ | { |
|
|
break; | break; |
} // message processing loop | } // message processing loop |
| |
// shutdown the AsyncDQueue |
// shutdown the AsyncQueue |
service->_incoming.shutdown_queue(); |
service->_incoming.close(); |
return; | return; |
} | } |
| |
|
|
| |
void MessageQueueService::handle_CimServiceStart(CimServiceStart *req) | void MessageQueueService::handle_CimServiceStart(CimServiceStart *req) |
{ | { |
|
|
#ifdef MESSAGEQUEUESERVICE_DEBUG | #ifdef MESSAGEQUEUESERVICE_DEBUG |
PEGASUS_STD(cout) << getQueueName() << "received START" << PEGASUS_STD(endl); |
PEGASUS_STD(cout) << getQueueName() << "received START" << |
|
PEGASUS_STD(endl); |
#endif | #endif |
| |
// clear the stoped bit and update | // clear the stoped bit and update |
|
|
_make_response(req, async_results::OK); | _make_response(req, async_results::OK); |
// now tell the meta dispatcher we are stopped | // now tell the meta dispatcher we are stopped |
update_service(_capabilities, _mask); | update_service(_capabilities, _mask); |
|
|
} | } |
|
|
void MessageQueueService::handle_CimServiceStop(CimServiceStop *req) | void MessageQueueService::handle_CimServiceStop(CimServiceStop *req) |
{ | { |
#ifdef MESSAGEQUEUESERVICE_DEBUG | #ifdef MESSAGEQUEUESERVICE_DEBUG |
|
|
| |
void MessageQueueService::handle_AsyncOperationResult(AsyncOperationResult *req) | void MessageQueueService::handle_AsyncOperationResult(AsyncOperationResult *req) |
{ | { |
; |
|
} | } |
| |
| |
void MessageQueueService::handle_AsyncLegacyOperationStart(AsyncLegacyOperationStart *req) |
void MessageQueueService::handle_AsyncLegacyOperationStart( |
|
AsyncLegacyOperationStart* req) |
{ | { |
// remove the legacy message from the request and enqueue it to its destination |
// remove the legacy message from the request and enqueue it to its |
|
// destination |
Uint32 result = async_results::CIM_NAK; | Uint32 result = async_results::CIM_NAK; |
| |
Message *legacy = req->_act; | Message *legacy = req->_act; |
|
|
{ | { |
if (queue->isAsync() == true) | if (queue->isAsync() == true) |
{ | { |
(static_cast<MessageQueueService *>(queue))->handleEnqueue(legacy); |
(static_cast<MessageQueueService *>(queue))->handleEnqueue( |
|
legacy); |
} | } |
else | else |
{ | { |
|
|
_make_response(req, result); | _make_response(req, result); |
} | } |
| |
void MessageQueueService::handle_AsyncLegacyOperationResult(AsyncLegacyOperationResult *rep) |
void MessageQueueService::handle_AsyncLegacyOperationResult( |
|
AsyncLegacyOperationResult* rep) |
{ | { |
; |
|
} | } |
| |
AsyncOpNode *MessageQueueService::get_op() | AsyncOpNode *MessageQueueService::get_op() |
|
|
| |
void MessageQueueService::return_op(AsyncOpNode *op) | void MessageQueueService::return_op(AsyncOpNode *op) |
{ | { |
PEGASUS_ASSERT(op->read_state() & ASYNC_OPSTATE_RELEASED); |
PEGASUS_ASSERT(op->_state & ASYNC_OPSTATE_RELEASED); |
delete op; | delete op; |
} | } |
| |
| |
Boolean MessageQueueService::ForwardOp( |
|
AsyncOpNode *op, |
|
Uint32 destination) |
|
{ |
|
PEGASUS_ASSERT(op != 0); |
|
op->lock(); |
|
op->_op_dest = MessageQueue::lookup(destination); |
|
op->_flags |= (ASYNC_OPFLAGS_FIRE_AND_FORGET | ASYNC_OPFLAGS_FORWARD); |
|
op->_flags &= ~(ASYNC_OPFLAGS_CALLBACK); |
|
op->unlock(); |
|
if (op->_op_dest == 0) |
|
return false; |
|
|
|
return _meta_dispatcher->route_async(op); |
|
} |
|
|
|
|
|
Boolean MessageQueueService::SendAsync( | Boolean MessageQueueService::SendAsync( |
AsyncOpNode *op, | AsyncOpNode *op, |
Uint32 destination, | Uint32 destination, |
|
|
// get the queue handle for the destination | // get the queue handle for the destination |
| |
op->lock(); | op->lock(); |
op->_op_dest = MessageQueue::lookup(destination); // destination of this message |
// destination of this message |
|
op->_op_dest = MessageQueue::lookup(destination); |
op->_flags |= ASYNC_OPFLAGS_CALLBACK; | op->_flags |= ASYNC_OPFLAGS_CALLBACK; |
op->_flags &= ~(ASYNC_OPFLAGS_FIRE_AND_FORGET); | op->_flags &= ~(ASYNC_OPFLAGS_FIRE_AND_FORGET); |
// initialize the callback data | // initialize the callback data |
op->_async_callback = callback; // callback function to be executed by recpt. of response |
// callback function to be executed by recpt. of response |
op->_callback_node = op; // the op node |
op->_async_callback = callback; |
op->_callback_response_q = callback_response_q; // the queue that will receive the response |
// the op node |
op->_callback_ptr = callback_ptr; // user data for callback |
op->_callback_node = op; |
op->_callback_request_q = this; // I am the originator of this request |
// the queue that will receive the response |
|
op->_callback_response_q = callback_response_q; |
|
// user data for callback |
|
op->_callback_ptr = callback_ptr; |
|
// I am the originator of this request |
|
op->_callback_request_q = this; |
| |
op->unlock(); | op->unlock(); |
if (op->_op_dest == 0) | if (op->_op_dest == 0) |
|
|
op->_callback_parameter = parameter; | op->_callback_parameter = parameter; |
op->_callback_response_q = this; | op->_callback_response_q = this; |
| |
if (!(msg->getMask() & message_mask::ha_async)) |
if (!(msg->getMask() & MessageMask::ha_async)) |
{ | { |
AsyncLegacyOperationStart *wrapper = new AsyncLegacyOperationStart( | AsyncLegacyOperationStart *wrapper = new AsyncLegacyOperationStart( |
get_next_xid(), |
|
op, | op, |
destination, | destination, |
msg, | msg, |
|
|
} | } |
else | else |
{ | { |
op->_request.insert_first(msg); |
op->_request.reset(msg); |
(static_cast<AsyncMessage *>(msg))->op = op; | (static_cast<AsyncMessage *>(msg))->op = op; |
} | } |
return _meta_dispatcher->route_async(op); | return _meta_dispatcher->route_async(op); |
|
|
AsyncOpNode *op = 0; | AsyncOpNode *op = 0; |
Uint32 mask = msg->getMask(); | Uint32 mask = msg->getMask(); |
| |
if (mask & message_mask::ha_async) |
if (mask & MessageMask::ha_async) |
{ | { |
op = (static_cast<AsyncMessage *>(msg))->op ; | op = (static_cast<AsyncMessage *>(msg))->op ; |
} | } |
|
|
if (op == 0) | if (op == 0) |
{ | { |
op = get_op(); | op = get_op(); |
op->_request.insert_first(msg); |
op->_request.reset(msg); |
if (mask & message_mask::ha_async) |
if (mask & MessageMask::ha_async) |
{ | { |
(static_cast<AsyncMessage *>(msg))->op = op; | (static_cast<AsyncMessage *>(msg))->op = op; |
} | } |
|
|
if (request->op == 0) | if (request->op == 0) |
{ | { |
request->op = get_op(); | request->op = get_op(); |
request->op->_request.insert_first(request); |
request->op->_request.reset(request); |
destroy_op = true; | destroy_op = true; |
} | } |
| |
|
|
| |
request->op->_client_sem.wait(); | request->op->_client_sem.wait(); |
| |
request->op->lock(); |
AsyncReply* rpl = static_cast<AsyncReply *>(request->op->removeResponse()); |
AsyncReply * rpl = static_cast<AsyncReply *>(request->op->_response.remove_first()); |
|
rpl->op = 0; | rpl->op = 0; |
request->op->unlock(); |
|
| |
if (destroy_op == true) | if (destroy_op == true) |
{ | { |
request->op->lock(); | request->op->lock(); |
request->op->_request.remove(request); |
request->op->_request.release(); |
request->op->_state |= ASYNC_OPSTATE_RELEASED; | request->op->_state |= ASYNC_OPSTATE_RELEASED; |
request->op->unlock(); | request->op->unlock(); |
return_op(request->op); | return_op(request->op); |
|
|
Uint32 mask) | Uint32 mask) |
{ | { |
RegisterCimService *msg = new RegisterCimService( | RegisterCimService *msg = new RegisterCimService( |
get_next_xid(), |
|
0, | 0, |
true, | true, |
name, | name, |
|
|
| |
if (reply != 0) | if (reply != 0) |
{ | { |
if (reply->getMask() & message_mask::ha_async) |
if (reply->getMask() & MessageMask::ha_async) |
{ | { |
if (reply->getMask() & message_mask::ha_reply) |
if (reply->getMask() & MessageMask::ha_reply) |
{ | { |
if (reply->result == async_results::OK || | if (reply->result == async_results::OK || |
reply->result == async_results::MODULE_ALREADY_REGISTERED) | reply->result == async_results::MODULE_ALREADY_REGISTERED) |
|
|
Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask) | Boolean MessageQueueService::update_service(Uint32 capabilities, Uint32 mask) |
{ | { |
UpdateCimService *msg = new UpdateCimService( | UpdateCimService *msg = new UpdateCimService( |
get_next_xid(), |
|
0, | 0, |
true, | true, |
_queueId, | _queueId, |
|
|
AsyncMessage *reply = SendWait(msg); | AsyncMessage *reply = SendWait(msg); |
if (reply) | if (reply) |
{ | { |
if (reply->getMask() & message_mask::ha_async) |
if (reply->getMask() & MessageMask::ha_async) |
{ | { |
if (reply->getMask() & message_mask::ha_reply) |
if (reply->getMask() & MessageMask::ha_reply) |
{ | { |
if (static_cast<AsyncReply *>(reply)->result == async_results::OK) |
if (static_cast<AsyncReply *>(reply)->result == |
|
async_results::OK) |
{ | { |
registered = true; | registered = true; |
} | } |
|
|
| |
Boolean MessageQueueService::deregister_service() | Boolean MessageQueueService::deregister_service() |
{ | { |
|
|
_meta_dispatcher->deregister_module(_queueId); | _meta_dispatcher->deregister_module(_queueId); |
return true; | return true; |
} | } |
|
|
results->clear(); | results->clear(); |
| |
FindServiceQueue *req = new FindServiceQueue( | FindServiceQueue *req = new FindServiceQueue( |
get_next_xid(), |
|
0, | 0, |
_queueId, | _queueId, |
true, | true, |
|
|
AsyncMessage *reply = SendWait(req); | AsyncMessage *reply = SendWait(req); |
if (reply) | if (reply) |
{ | { |
if (reply->getMask() & message_mask::ha_async) |
if (reply->getMask() & MessageMask::ha_async) |
{ | { |
if (reply->getMask() & message_mask::ha_reply) |
if (reply->getMask() & MessageMask::ha_reply) |
{ | { |
if (reply->getType() == async_messages::FIND_SERVICE_Q_RESULT) | if (reply->getType() == async_messages::FIND_SERVICE_Q_RESULT) |
{ | { |
if ((static_cast<FindServiceQueueResult *>(reply))->result == async_results::OK) |
if ((static_cast<FindServiceQueueResult*>(reply))->result == |
*results = (static_cast<FindServiceQueueResult *>(reply))->qids; |
async_results::OK) |
|
*results = |
|
(static_cast<FindServiceQueueResult*>(reply))->qids; |
} | } |
} | } |
} | } |
delete reply; | delete reply; |
} | } |
delete req; | delete req; |
return ; |
|
} | } |
| |
void MessageQueueService::enumerate_service(Uint32 queue, message_module *result) |
void MessageQueueService::enumerate_service( |
|
Uint32 queue, |
|
message_module* result) |
{ | { |
if (result == 0) | if (result == 0) |
{ | { |
|
|
} | } |
| |
EnumerateService *req = new EnumerateService( | EnumerateService *req = new EnumerateService( |
get_next_xid(), |
|
0, | 0, |
_queueId, | _queueId, |
true, | true, |
|
|
{ | { |
Boolean found = false; | Boolean found = false; |
| |
if (reply->getMask() & message_mask::ha_async) |
if (reply->getMask() & MessageMask::ha_async) |
{ | { |
if (reply->getMask() & message_mask::ha_reply) |
if (reply->getMask() & MessageMask::ha_reply) |
{ | { |
if (reply->getType() == async_messages::ENUMERATE_SERVICE_RESULT) |
if (reply->getType() == |
|
async_messages::ENUMERATE_SERVICE_RESULT) |
{ | { |
if ((static_cast<EnumerateServiceResponse *>(reply))->result == async_results::OK) |
if ((static_cast<EnumerateServiceResponse*>(reply))-> |
|
result == async_results::OK) |
{ | { |
if (found == false) | if (found == false) |
{ | { |
found = true; | found = true; |
| |
result->put_name((static_cast<EnumerateServiceResponse *>(reply))->name); |
result->put_name((static_cast< |
result->put_capabilities((static_cast<EnumerateServiceResponse *>(reply))->capabilities); |
EnumerateServiceResponse*>(reply))->name); |
result->put_mask((static_cast<EnumerateServiceResponse *>(reply))->mask); |
result->put_capabilities((static_cast< |
result->put_queue((static_cast<EnumerateServiceResponse *>(reply))->qid); |
EnumerateServiceResponse*>(reply))-> |
|
capabilities); |
|
result->put_mask((static_cast< |
|
EnumerateServiceResponse*>(reply))->mask); |
|
result->put_queue((static_cast< |
|
EnumerateServiceResponse*>(reply))->qid); |
} | } |
} | } |
} | } |
|
|
delete reply; | delete reply; |
} | } |
delete req; | delete req; |
|
|
return; |
|
} | } |
| |
Uint32 MessageQueueService::get_next_xid() |
MessageQueueService::PollingList* MessageQueueService::_get_polling_list() |
{ | { |
static Mutex _monitor; |
_polling_list_mutex.lock(); |
Uint32 value; |
|
AutoMutex autoMut(_monitor); |
if (!_polling_list) |
_xid++; |
_polling_list = new PollingList; |
value = _xid.value(); |
|
return value; |
_polling_list_mutex.unlock(); |
| |
|
return _polling_list; |
} | } |
| |
PEGASUS_NAMESPACE_END | PEGASUS_NAMESPACE_END |